Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/meta/StackFrames.java @ 372:fc3cf0ef777e
Added meta data service.
flys-artifacts/trunk@1781 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 29 Apr 2011 15:10:44 +0000 |
parents | |
children | 7c018f466d6d |
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371:dfbb3d50b0bd | 372:fc3cf0ef777e |
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1 package de.intevation.flys.artifacts.services.meta; | |
2 | |
3 import java.util.Map; | |
4 import java.util.List; | |
5 import java.util.HashMap; | |
6 import java.util.ArrayList; | |
7 | |
8 public class StackFrames | |
9 { | |
10 protected List<Map<String, Object>> frames; | |
11 | |
12 public StackFrames() { | |
13 frames = new ArrayList<Map<String, Object>>(); | |
14 } | |
15 | |
16 public void enter() { | |
17 frames.add(new HashMap<String, Object>()); | |
18 } | |
19 | |
20 public void leave() { | |
21 frames.remove(frames.size()-1); | |
22 } | |
23 | |
24 public void put(String [] keys, Object [] values) { | |
25 Map<String, Object> top = frames.get(frames.size()-1); | |
26 for (int i = 0; i < keys.length; ++i) { | |
27 top.put(keys[i], values[i]); | |
28 } | |
29 } | |
30 | |
31 public Object get(String key) { | |
32 return get(key, null); | |
33 } | |
34 | |
35 public Object get(String key, Object def) { | |
36 | |
37 for (int i = frames.size()-1; i >= 0; --i) { | |
38 Map<String, Object> frame = frames.get(i); | |
39 if (frame.containsKey(key)) { | |
40 return frame.get(key); | |
41 } | |
42 } | |
43 | |
44 return def; | |
45 } | |
46 } | |
47 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |